Re: GIS and tech writing?

["Bill Swallow" <techcommdood -at- gmail -dot- com>]

> If all map data were added to the basic map of a city, for example, it
> would be "The Black Map", just a big splat of ink.  GIS is a way to
> have and work with lots of spatial data without having to represent
> the part you don't need to see. The free Google Earth viewer is pretty
> cool, but not a very good example of the power of GIS.

Well, yes. If ALL map data were used and visible, even a 1 mile view
would be covered and would take up massive GB of space. This is where
layers, filters, and visibility controls come in.

-- 
Bill Swallow
HATT List Owner
WWP-Users List Owner
Senior Member STC, TechValley Chapter
STC Single-Sourcing SIG Manager
http://techcommdood.blogspot.com
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